+ def unfollow(%User{} = follower, params) do
+ with { :ok, %User{} = unfollowed } <- get_user(params),
+ { :ok, follower, follow_activity } <- User.unfollow(follower, unfollowed),
+ { :ok, _activity } <- ActivityPub.insert(%{
+ "type" => "Undo",
+ "actor" => follower.ap_id,
+ "object" => follow_activity.data["id"], # get latest Follow for these users
+ "published" => make_date()
+ })
+ do
+ { :ok, follower, unfollowed }
+ else
+ err -> err
+ end
+ end
+
+ def repeat(%User{} = user, ap_id_or_id) do
+ with {:ok, _announce, %{data: %{"id" => id}}} = CommonAPI.repeat(ap_id_or_id, user),
+ %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id),
+ status <- activity_to_status(activity, %{for: user}) do
+ {:ok, status}
+ end
+ end
+
+ def fav(%User{} = user, ap_id_or_id) do
+ with {:ok, _announce, %{data: %{"id" => id}}} = CommonAPI.favorite(ap_id_or_id, user),
+ %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id),
+ status <- activity_to_status(activity, %{for: user}) do
+ {:ok, status}
+ end
+ end
+
+ def unfav(%User{} = user, ap_id_or_id) do
+ with {:ok, %{data: %{"id" => id}}} = CommonAPI.unfavorite(ap_id_or_id, user),
+ %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id),
+ status <- activity_to_status(activity, %{for: user}) do
+ {:ok, status}
+ end
+ end
+
+ def upload(%Plug.Upload{} = file, format \\ "xml") do
+ {:ok, object} = ActivityPub.upload(file)
+
+ url = List.first(object.data["url"])
+ href = url["href"]
+ type = url["mediaType"]
+
+ case format do
+ "xml" ->
+ # Fake this as good as possible...
+ """
+ <?xml version="1.0" encoding="UTF-8"?>
+ <rsp stat="ok" xmlns:atom="http://www.w3.org/2005/Atom">
+ <mediaid>#{object.id}</mediaid>
+ <media_id>#{object.id}</media_id>
+ <media_id_string>#{object.id}</media_id_string>
+ <media_url>#{href}</media_url>
+ <mediaurl>#{href}</mediaurl>
+ <atom:link rel="enclosure" href="#{href}" type="#{type}"></atom:link>
+ </rsp>
+ """
+ "json" ->
+ %{
+ media_id: object.id,
+ media_id_string: "#{object.id}}",
+ media_url: href,
+ size: 0
+ } |> Poison.encode!
+ end
+ end
+
+ def register_user(params) do
+ params = %{
+ nickname: params["nickname"],
+ name: params["fullname"],
+ bio: params["bio"],
+ email: params["email"],
+ password: params["password"],
+ password_confirmation: params["confirm"]
+ }
+
+ changeset = User.register_changeset(%User{}, params)
+
+ with {:ok, user} <- Repo.insert(changeset) do
+ {:ok, user}
+ else
+ {:error, changeset} ->
+ errors = Ecto.Changeset.traverse_errors(changeset, fn {msg, _opts} -> msg end)
+ |> Poison.encode!
+ {:error, %{error: errors}}
+ end
+ end
+
+ def get_by_id_or_nickname(id_or_nickname) do
+ if !is_integer(id_or_nickname) && :error == Integer.parse(id_or_nickname) do
+ Repo.get_by(User, nickname: id_or_nickname)
+ else
+ Repo.get(User, id_or_nickname)
+ end
+ end
+
+ def get_user(user \\ nil, params) do
+ case params do
+ %{"user_id" => user_id} ->
+ case target = get_by_id_or_nickname(user_id) do
+ nil ->
+ {:error, "No user with such user_id"}
+ _ ->
+ {:ok, target}
+ end
+ %{"screen_name" => nickname} ->
+ case target = Repo.get_by(User, nickname: nickname) do
+ nil ->
+ {:error, "No user with such screen_name"}
+ _ ->
+ {:ok, target}
+ end
+ _ ->
+ if user do
+ {:ok, user}
+ else
+ {:error, "You need to specify screen_name or user_id"}
+ end
+ end
+ end
+
+ defp parse_int(string, default \\ nil)
+ defp parse_int(string, default) when is_binary(string) do
+ with {n, _} <- Integer.parse(string) do
+ n
+ else
+ _e -> default
+ end
+ end
+ defp parse_int(_, default), do: default
+
+ def search(user, %{"q" => query} = params) do
+ limit = parse_int(params["rpp"], 20)
+ page = parse_int(params["page"], 1)
+ offset = (page - 1) * limit
+
+ q = from a in Activity,
+ where: fragment("?->>'type' = 'Create'", a.data),
+ where: fragment("to_tsvector('english', ?->'object'->>'content') @@ plainto_tsquery('english', ?)", a.data, ^query),
+ limit: ^limit,
+ offset: ^offset,
+ order_by: [desc: :id]
+
+ activities = Repo.all(q)
+ activities_to_statuses(activities, %{for: user})
+ end
+